Generate test wrappers for psa_generate_random()

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/tests/scripts/generate_psa_wrappers.py b/tests/scripts/generate_psa_wrappers.py
index 4f567bc..0aaa710 100755
--- a/tests/scripts/generate_psa_wrappers.py
+++ b/tests/scripts/generate_psa_wrappers.py
@@ -171,6 +171,8 @@
                              'psa_hash_verify',
                              'psa_hash_compute',
                              'psa_hash_compare'):
+
+        if function_name == 'psa_generate_random':
             return True
         return False